Assets Held for Sale and Discontinued Operations - Narrative (Details) - USD ($)		9 Months Ended		12 Months Ended
	Jun. 07, 2019	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
One-time costs to tell		$ 0	$ 6,000
Gain on sale of subsidiary		1,614,000	0
Tempress and SoLayTec | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of subsidiary		$ 1,614,000	$ 0
SoLayTec | Discontinued Operations, Disposed of by Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of subsidiary	$ 1,600,000
Scenario, Forecast | Tempress and SoLayTec | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
One-time costs to tell				$ 750,000
Scenario, Forecast | Broker Fees | Tempress and SoLayTec | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
One-time costs to tell				500,000
Scenario, Forecast | Legal Fees | Tempress and SoLayTec | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
One-time costs to tell				$ 250,000